7.25% is the change from 621 to 666
Calculation steps:
[( 666 - 621 ) ÷ 621] x 100 = 7.25%
Formula
Percentage change = [(666 - 621) / 621] x 100
Subtract the new number by the original number
666 - 621 = 45
45 ÷ 621 = 0.07246376811594203
0.07246376811594203 x 100 = 7.25%